VAN DER HOEVE (1931), basing his observations on two cases, drew attention to a condition characterized by the spontaneous appearance of scleral perforations, which he named scleromalacia perforans. A somewhat similar case had previously been described by Holthouse (1893), and Kuhnt (1912) reported a case of scleral perforation associated with hydroa vacciniforme. Under the term scleritis necro...

ULTRA-VIOLET rays are stated to have a general tonic effect on the sympathetic, and it has been denlonstrated that a general irradiation produces an increase of the calcium and phosphorus ions in the blood. Growing rats subjected to daily irradiation by the mercury-vapour lamp increase in weight, and their total calcium content goes up considerably in excess of the controls. It would appear tha...